* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #000;
  overflow: hidden;
}

.container {
  position: relative;
  width: 300px;
  height: 400px;
}

.number {
  position: absolute;
  width: 300px;
  top: 24%;
  text-align: center;
  font-size: 32px;
  color: #fff;
  z-index: 10;
}

.contrast {
  width: 300px;
  height: 400px;
  background-color: #000;
  overflow: hidden;
  filter: contrast(10) hue-rotate(0);
  animation: hueRotate 10s infinite linear;
}

.circle {
  position: relative;
  width: 300px;
  height: 300px;
  filter: blur(8px);
}

.circle::after {
  content: "";
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0);
  width: 200px;
  height: 200px;
  background-color: #00ff6f;
  border-radius: 42% 38% 62% 49% / 45%;
  animation: rotate 10s infinite linear;
}

.circle::before {
  content: "";
  position: absolute;

  width: 176px;
  height: 176px;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: #000;
  z-index: 10;
}

.bubbles {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 100px;
  height: 40px;
  transform: translate(-50%, 0);
  border-radius: 100px 100px 0 0;
  background-color: #00ff6f;
  filter: blur(5px);
}

li {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: #00ff6f;
}

@keyframes rotate {
  50% {
    border-radius: 45% / 42% 38% 58% 49%;
  }
  100% {
    transform: translate(-50%, -50%) rotate(720deg);
  }
}

@keyframes hueRotate {
  100% {
    filter: contrast(15) hue-rotate(360deg);
  }
}

@keyframes moveToTop {
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0.1;
    transform: translate(-50%, -180px);
  }
}
